What is Cesium chloride?
The chemical formula of cesium chloride is CsCl and its molecular weight is 168.36. In the body-centered cubic structure, if each angular position is a chloride ion and each central position is a cesium ion, then each cesium ion is adjacent to eight chloride ions, and each chloride ion is adjacent to eight cesium ions, thus forming a cesium chloride crystal structure. Cesium chloride is soluble in water, ethanol and methanol, but insoluble in acetone. Absorb moisture and deliquesce in the air. Cesium chloride unit cell is the basic unit cell (it can be regarded as a simple cubic stack of chloride ions, and cesium ions fill the cubic gaps).
Cesium chloride powder is a white crystalline powder with high melting point (about 645°C) and boiling point (about 1290°C), which is very soluble in water and colorless and transparent in aqueous solution. At 0℃, it can dissolve 161.4 grams per 100 grams of water, and is easy to generate polyhalides.

| Product name | Cesium chloride |
| CAS | 7647-17-8 |
| Molecular formula | ClCs |
| Molecular weight | 168.36 |
| EINECS Number | 231-600-2 |
| Storage condition | Store at +5°C to +30°C. |
| Melting point | 645 °C (lit.) |
| Solubility | H2O: 3 M, 20 °C, clear and colorless. |
| Appearance | White powder |
| Boiling point | 1290 °C |
| Density | 3.988 g/cm3 |
What are the preparation methods of Cesium Chloride?
There are two main preparation methods of cesium chloride: chemical synthesis method and melting method.
1. Chemical synthesis method
Chemical synthesis usually uses cesium metal and chlorine gas to directly react to prepare cesium chloride. This method needs to strictly control the reaction conditions, such as temperature, pressure and reaction time, to ensure the purity of the product. In addition, cesium chloride can be obtained by chemical synthesis through the reaction of other cesium-containing compounds with chlorine.
2. Melting method Melting method
Cesium metal and chloride are melted at high temperature, and then cesium chloride is obtained by evaporation and crystallization. This method is suitable for mass production of cesium chloride, and the preparation process is relatively simple. However, the melting method needs to consume a lot of energy and may produce harmful waste.
Product Specification
| Item | Specification | Results |
| Appearance | White crystal | Complies |
| CsCI | ≥99.9% | >99.9% |
| Li | ≤0.0005% | 0.0002% |
| Na | ≤0.002% | 0.001% |
| K | ≤0.005% | 0.0011% |
| Ca | ≤0.002% | 0.001% |
| Mg | ≤0.0005% | 0.0001% |
| Fe | ≤0.0005% | 0.0002% |
| Al | ≤0.0005% | 0.0002% |
| Rb | ≤0.05% | 0.025% |
| SiO2 | ≤0.0005% | 0.0003% |
| Pb | ≤0.0005% | ≤0.0005% |
| Conclusion | The result conforms to enterprise standard | |
Where is Cesium chloride used?
1. Laboratory application: Cesium chloride can be used as a laboratory reagent for chemical analysis and synthetic reaction;
2. Optical application: Cesium chloride crystal has excellent optical properties and can be used to manufacture windows and lenses in optical instruments.
3. Radioactive application: Cesium -137 is a radioactive isotope widely used in medicine and industry, and cesium chloride can be used as the starting material of cesium element.
IR1 of Cesium chloride
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What should we pay attention to when using Cesium chloride?
Toxicity: Cesium chloride has certain toxicity to human body, so it needs to be avoided from ingestion or contact;
Stimulation: Cesium chloride can cause irritation to eyes, respiratory tract and skin, so contact should be avoided;
Storage: cesium chloride powder should be stored in a sealed container, away from fire sources and separated from incompatible substances;
Disposal: Cesium chloride waste shall be disposed of according to local laws and regulations, and shall not be dumped or discharged into the environment at will.
How and where to buy Cesium chloride powder wholesale?
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